Behavioral task
behavioral1
Sample
2024-04-22_c37dfcbd8078544a765da7e37a5d2051_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_c37dfcbd8078544a765da7e37a5d2051_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-22_c37dfcbd8078544a765da7e37a5d2051_cryptolocker
-
Size
79KB
-
MD5
c37dfcbd8078544a765da7e37a5d2051
-
SHA1
d17686641e1a049f7fa5a0ef1b079bbd82c8faa2
-
SHA256
3f5f250d1d13cb0f74d9776f5622ea710a3ad9bc1946a305b40185f2bd029491
-
SHA512
3daa5b97bc05bbe0ed29eb9dda2d4f5ab8a558bd42c9211344651c1d875077c96e8fdf4a8bdf39da7b5677adb469dd923b489141a2cb8d8ce3cc702ef60814ee
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPuq8:T6a+rdOOtEvwDpjNcv
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-22_c37dfcbd8078544a765da7e37a5d2051_cryptolocker
Files
-
2024-04-22_c37dfcbd8078544a765da7e37a5d2051_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE